Tire Pressure Warning Valve And Transmitter: Removal

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE FRONT TIRE
REMOVE REAR TIRE
REMOVE TIRE PRESSURE WARNING VALVE SUB-ASSEMBLY
1. Remove the valve core and cap, and release air from the tire.
2. After ensuring that air is sufficiently released, remove the nut and washer that are used to fix the tire pressure warning valve and drop the valve sensor inside the tire.
  HINT:
  
  Keep the removed cap, valve core, nut and washer.
3. After dropping the tire pressure warning valve into the tire, disengage the tire bead using the shoe of the tire remover.
  NOTE: Be careful not to damage the tire pressure warning valve because of interference between the sensor and tire bead.
  
  Fig 1: Disengaging Bead Using Shoe Of Tire Remover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the bead on the upper side.
5. Take out the sensor from the tire and remove the bead on the lower side.
6. Remove the inner grommet from the tire pressure warning valve.
  HINT:
  
  Check that there are no cracks or damage on the grommet. If necessary, replace the grommet, the washer and the nut.